81   Reference getRegReferences(MachineInstr &MI, unsigned Reg);
82   bool convertToBRCT(MachineInstr &MI, MachineInstr &Compare,
83                      SmallVectorImpl<MachineInstr *> &CCUsers);
84   bool convertToLoadAndTrap(MachineInstr &MI, MachineInstr &Compare,
85                             SmallVectorImpl<MachineInstr *> &CCUsers);
86   bool convertToLoadAndTest(MachineInstr &MI, MachineInstr &Compare,
87                             SmallVectorImpl<MachineInstr *> &CCUsers);
88   bool convertToLogical(MachineInstr &MI, MachineInstr &Compare,
89                         SmallVectorImpl<MachineInstr *> &CCUsers);
90   bool adjustCCMasksForInstr(MachineInstr &MI, MachineInstr &Compare,
91                              SmallVectorImpl<MachineInstr *> &CCUsers,
93   bool optimizeCompareZero(MachineInstr &Compare,
94                            SmallVectorImpl<MachineInstr *> &CCUsers);
95   bool fuseCompareOperations(MachineInstr &Compare,
96                              SmallVectorImpl<MachineInstr *> &CCUsers);
110 static bool preservesValueOf(MachineInstr &MI, unsigned Reg) {  in preservesValueOf()
127 static bool resultTests(MachineInstr &MI, unsigned Reg) {  in resultTests()
136 Reference SystemZElimCompare::getRegReferences(MachineInstr &MI, unsigned Reg) {  in getRegReferences()
158 static bool isLoadAndTestAsCmp(MachineInstr &MI) {  in isLoadAndTestAsCmp()
169 static unsigned getCompareSourceReg(MachineInstr &Compare) {  in getCompareSourceReg()
184     MachineInstr &MI, MachineInstr &Compare,  in convertToBRCT()
185     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToBRCT()
203   MachineInstr *Branch = CCUsers[0];  in convertToBRCT()
238     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTrap()
239     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToLoadAndTrap()
247   MachineInstr *Branch = CCUsers[0];  in convertToLoadAndTrap()
278     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTest()
279     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToLoadAndTest()
296     MIB.setMIFlag(MachineInstr::MIFlag::NoFPExcept);  in convertToLoadAndTest()
306     MachineInstr &MI, MachineInstr &Compare,  in convertToLogical()
307     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToLogical()
354     MachineInstr &MI, MachineInstr &Compare,  in adjustCCMasksForInstr()
355     SmallVectorImpl<MachineInstr *> &CCUsers,  in adjustCCMasksForInstr()
384   if (MI.getFlag(MachineInstr::NoSWrap) &&  in adjustCCMasksForInstr()
423     for (MachineInstr *CCUserMI : CCUsers) {  in adjustCCMasksForInstr()
492 static bool isCompareZero(MachineInstr &Compare) {  in isCompareZero()
504     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in optimizeCompareZero()
516     MachineInstr &MI = *MBBI++;  in optimizeCompareZero()
559   for (MachineInstr &MI : llvm::make_early_inc_range(MIRange)) {  in optimizeCompareZero()
579     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in fuseCompareOperations()
583   MachineInstr *Branch = CCUsers[0];  in fuseCompareOperations()
694   SmallVector<MachineInstr *, 4> CCUsers;  in processBlock()
697     MachineInstr &MI = *--MBBI;  in processBlock()